Planetary carrier and method for manufacturing the same

Active Publication Date: 2021-03-25
AISIN AW CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

[0010]In the planetary carrier, one end of each bridge plate is joined to the first supporting plate via the welding portion and the other end is joined to the second supporting plate via the welding portion and thus, the first and second supporting plates are connected by the bridge plates. The strength of the planetary carrier can therefore be satisfactorily ensured. In the planetary carrier, the planar shape of the first and second supporting plates and the bridge plate can be simplified. In this w

Problems solved by technology

The amount of end materials that are wasted is increased and thus, material yield is deteriorated.
Similarly, for the carrier base having an annular planar shape, the increase in the size of the base material and the deterioration of material yield are not easily suppressed.
Thus, with the planetary carrier according to Pat

Method used

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  • Planetary carrier and method for manufacturing the same
  • Planetary carrier and method for manufacturing the same
  • Planetary carrier and method for manufacturing the same

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Example

[0022]Modes for carrying out the various aspects of the disclosure will be described below with reference to the drawings.

[0023]FIG. 1 is a perspective view of a planetary carrier 10 of the disclosure. FIG. 2 is a plan view of the planetary carrier 10. The planetary carrier 10 illustrated in the drawings are included in a single-pinion type planetary gear that is applied to a transmission. The planetary carrier 10 includes a plurality of (three in the embodiment, for example) pinion gears PG and a plurality of (three in the embodiment, for example) pinion shafts PS that are each inserted in the corresponding pinion gear PG (in FIG. 1, both are not shown). The planetary carrier 10 also includes a first supporting plate 11 that supports one end of each pinion shaft PS, a second supporting plate 12 that supports the other end of each pinion shaft PS, and a plurality of (three in the embodiment, for example) bridge plates 15 that connect the first and second supporting plates 11, 12.

[00...

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Abstract

A planetary carrier includes a plurality of pinion gears, a plurality of pinion shafts that are each inserted in the corresponding pinion gear, a first supporting plate that supports one end of each of the pinion shafts, a second supporting plate that supports the other end of each of the pinion shafts, and a plurality of bridge plates, one end of each of which is joined to the first supporting plate via a welding portion and the other end of each of which is joined to the second supporting plate via a welding portion and which connects the first and second supporting plates.

Description

CROSS REFERENCE TO RELATED APPLICATIONS[0001]This application is a National Stage of International Application No. PCT / JP2018 / 032846 filed Sep. 5, 2018, claiming priority based on Japanese Patent Application No. 2017-170616 filed Sep. 5, 2017.TECHNICAL FIELD[0002]The disclosure relates to a planetary carrier and a method for manufacturing the same, the planetary carrier including a plurality of pinion gears and a plurality of pinion shafts that are each inserted in the corresponding pinion gear.BACKGROUND ART[0003]Conventionally, a planetary carrier that includes a carrier plate and a carrier base that are formed by press working a plate material having a prescribed thickness is known as this type of planetary carrier (for example, see Patent Document 1). The carrier plate of the planetary carrier has an annular base portion and a plurality of leg portions that are bent from an outer peripheral surface of the base portion toward the carrier base. The carrier base has a plurality of ...

Claims

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Application Information

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IPC IPC(8): F16H57/08F16H3/62
CPCF16H57/082F16H3/62F16H1/36
Inventor IWAMA, TAKASHIKAWASHIMA, TAKAAKIABE, JUNYAESAKI, YUUJI
Owner AISIN AW CO LTD
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